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Engines and Components Oiling Systems

PETERSON FLUID

Peterson Fluid Systems R4 5-Stage Oil Pump - Rear Drive B/H QM - Right Side Mount - Relief

$2,545.95 $1,847.23 Save $698.72

SKU: P02O 04-5914

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Special Order
Ships in 4–6 weeks
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$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
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Overview

The Peterson Fluid 04-5914 is a five-stage R4 oil pump designed for rear drive applications.

It features a revolutionary twisted lobe rotor design constructed from all-aluminum rotors, significantly reducing weight and enhancing performance. The pump includes an internal scavenge manifold and shallow depth screw-in fittings for a low-profile, modular setup. This design helps create maximum pressure and is suitable for a variety of applications, particularly racing engines.
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Peterson Fluid Systems R4 5-Stage Oil Pump - Rear Drive B/H QM - Right Side Mount - Relief

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandPETERSON FLUID
Part NumberP02O 04-5914

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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